Shimbo Crystal Holding Pattern 3

Electric firing: Crystal Glazes 2 by Fara Shimbo (page 139)

Start temperature assumed: 25°C
Step Rate to Temp °C Rate
°F/hr
To °F Hold Accum
Time
1 100°C/hr to 250 180 482   2:32  
2 250°C/hr to 500 450 932   3:32  
3 500°C/hr to 1260 900 2300   5:03  
4 999°C/hr to 1075 1798 1967 15min 5:29  
5 100°C/hr to 1100 180 2012 15min 5:59  
6 100°C/hr to 1075 180 1967 15min 6:29  
7 100°C/hr to 1050 180 1922 15min 6:59  
10 100°C/hr to 1075 180 1967 15min 7:29  
*Rates are expressed as "Celcius/Fahrenheit degrees", temperatures as "Degrees celcius/fahrenheit"

These Bory 1 crystals (colored with nickel, iron and cobalt) were grown with the same target temperatures as those in the holding pattern 2, but rather than going to a temperature as fast as possible, the kiln was instructed to get to each temperature (whether going up or down) at a rate of 100° per hour.

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